.login-head {
    padding: 20PX;
    .login-head-back{
        width: 100%;
        border-radius: 4PX;
    }
    .login-head-head{
        width: 100PX;
        height: 100PX;
        border-radius: 50%;
        position: absolute;
        left: 50%;
        top: 50PX;
        transform: translateX(-50PX);
    }
}